.swiper-container {
  width: 100%;

  img {
    width: 100% !important;
  }

  .swiper-pagination-bullet-active {
    background-color: #fff;
  }

  .swiper-pagination-bullet {
    width: 18px;
    height: 18px;
    margin-right: 15px !important;
  }
}

.brand-intro {
  margin-top: 50px;

  .intro-top {
    margin-bottom: 50px;
    text-align: center;

    h4 {
      font-size: 32px;
      margin-bottom: 20px;
    }

    div {
      font-size: 24px;
    }
  }

  .intro-main {
    height: 300px;
    display: flex;
    justify-content: space-around;

    .main-left {
      height: 100%;
      padding-left: 0;
      width: 550px;
      height: 300px;

      img {
        width: 500px;
        height: 100%;
      }
    }

    .main-right {
      height: 100%;
      display: flex;
      flex-direction: column;
      padding-left: 5%;
      justify-content: space-around;

      h4 {
        font-size: 24px;
      }

      p {
        overflow: hidden;
        font-size: 20px;
        line-height: 32px;
        text-indent: 2em;
      }
    }
  }
}

.brand-development {
  margin-top: 100px;

  .development-top {
    text-align: center;
    margin-bottom: 40px;

    h4 {
      margin-bottom: 20px;
      font-size: 32px;
    }

    div {
      font-size: 24px;
    }
  }

  .develoment-main {
    img {
      width: 100%;

      &:nth-child(1) {
        margin-bottom: 85px;
      }
    }
  }
}

.product {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  color: #1a1a1a;

  .pro-text {
    div {
      width: 100%;
      text-align: center;
      font-size: 24px;
      margin-bottom: 50px;
    }

    h4 {
      margin-top: 80px;
      margin-bottom: 20px;
      width: 100%;
      text-align: center;
      font-size: 32px;
    }
  }

  .pro-main {
    color: #fff;
    display: flex;
    justify-content: space-between;
    background-color: #fff;
    align-items: center;

    .item {
      height: 480px;
      flex: 0.32;
      position: relative;
      overflow: hidden;

      img {
        width: 100%;
        height: 100%;
      }

      .cloak,
      .cloak-center {
        position: absolute;
        bottom: -210px;
        left: 0;
        background-color: #434343;
        z-index: 9;
        transition: transform 0.3s linear;

        div {
          width: 100%;
          height: 80px;
          display: flex;
          justify-content: space-around;
          align-items: center;
          font-size: 24px;
        }

        p {
          padding: 0 30px 30px 50px;
          display: flex;
          justify-content: space-around;
          align-items: center;
          font-size: 18px;
          line-height: 25px;
        }
      }

      .cloak-center {
        bottom: 480px;
      }
    }

    .item:hover .cloak {
      transform: translateY(-100%);
    }

    .item:hover .cloak-center {
      transform: translateY(100%);
    }
  }
}

.product-advantages {
  margin-top: 100px;

  .advantages-top {
    margin-top: 50px;
    margin-bottom: 50px;
    text-align: center;

    h4 {
      font-size: 32px;
      margin-bottom: 18px;
    }

    div {
      font-size: 24px;
    }
  }

  .advantage-main {
    max-height: 863px;
    background-color: #434343;
    .pc-advantages-main {
      margin: 0 auto;
      max-width: 1200px;
      img {
        width: 100%;
        margin: 0 auto;
      }
    }
  }
}

@media screen and (max-width: 768px) {
  .brand-intro {
    width: 100%;
    padding: 0 8px;
    margin-top: 5%;

    .intro-top {
      margin-bottom: 15px;
      h4 {
        font-size: 14px;
        margin-top: 14px;
        margin-bottom: 10px;
      }
      div {
        font-size: 12px;
      }
    }
    .intro-main {
      width: 100%;
      margin-top: 24%;
      display: flex;
      flex-direction: column-reverse;
      justify-content: space-around;
      .main-left {
        width: 100%;
        img {
          width: 100%;
        }
      }
      .main-right {
        padding-left: 0;
        width: 100%;
        
        h4 {
          text-align: center;
          font-size: 12px;
          margin-bottom: 10px;
          
        }
        p {
          font-size: 12px;
          line-height: 20px;
          padding: 0 10px;
          margin-bottom: 10px;
        }
      }
    }
  }
  .brand-development {
    width: 100%;
    .development-top {
      margin-bottom: 6%;
      h4 {
        font-size: 14px;
        margin-top: 14px;
        margin-bottom: 10px;
      }
      div {
        font-size: 12px;
      }
    }
    .develoment-main {
      padding: 0 8px;
      width: 100%;
      img {
        width: 100%;
        &:nth-child(1) {
          margin-bottom: 8%;
        }
      }
      .main-p {
        width: 100%;
        background-color: #707070;
        position: relative;
        &::after {
          position: absolute;
          left: 50%;
          top: -10px;
          content: "";
          width: 0;
          height: 0;
          border-left: 18px solid transparent;
          border-right: 18px solid transparent;
          border-bottom: 18px solid #707070;
          transform: translateX(-50%);
        }
        &::before {
          position: absolute;
          right: 0;
          top: -10px;
          content: "";
          width: 0;
          height: 0;
          border-left: 18px solid transparent;
          border-right: 18px solid transparent;
          border-bottom: 18px solid #707070;
          transform: translateX(-50%);
        }

        .main-img {
          position: relative;
          float: left;
          width: 120px;
          height: 105px;
          margin-bottom: 0;
          img {
            position: absolute;
            left: -5%;
            top: -25%;
          }
        }

        font-size: 12px;
        line-height: 18px;
        color: #fff;
        text-indent: 2em;
        padding: 4% 4%;
      }
    }
  }
  .product {
    width: 100%;
    padding: 0 8px;
    margin-top: 8%;
    margin-bottom: 30px;
    .pro-text {
      margin-bottom: 8%;
      h4 {
        text-align: center;
        font-size: 14px;
        margin-top: 14px;
        margin-bottom: 8px;
      }
      div {
        font-size: 12px;
        margin-bottom: 16px;
      }
    }

    .mb-pro-main {
      width: 100%;
      .item {
        display: flex;
        justify-content: space-between;
        margin-bottom: 10%;
        &:nth-child(3) {
          margin-bottom: 0;
        }
        a {
          img {
            width: 127px;
            height: 154px;
          }
        }
        .cloak,
        .cloak-center {
          padding: 0  0 0 20px;
         padding-top: 20px;
          div {
            font-weight: 700;
            font-size: 14px;
            text-align: center;
            color: #000;
            margin-bottom: 4%;
          }
          p{
            font-size: 12px;
            line-height: 17px;
            text-indent: 2em;
          }
        }
        .cloak-center{
          padding: 0 20px 0  0;
          padding-top: 20px;
        }
      }
    }
  }
  .product-advantages {
    width: 100%;
    margin-top: -8%;
    .advantages-top {
      margin-bottom: 8%;
      h4 {
        text-align: center;
        font-size: 14px;
        margin-top: 14px;
        margin-bottom: 8px;
      }
      div {
        font-size: 12px;
        margin-bottom: 16px;
      }
    }
    .advantage-main {
      width: 100%;
      padding: 0 8px;
      padding-bottom: 10px;
      .mb-advantage {
        img {
          width: 100%;
        }
        ul {
          width: 100%;
          li {
            margin-top: 2%;
            font-size: 12px;
            line-height: 16px;
            color: #fff;
          }
        }
      }
      .pc-advantages-main{
        display: none;
      }
    }
  }
}
